The mean age of bus drivers in Chicago is 48.7years. I a hypothesis test is performed which of the following is rue about the nut hypothesis and its complement alternative hypothesis? O HO. 48.7 Hau487 Ob HOU #48.7. Hau 48.7 OC HD: 48.7. Hau 48.7 The mean age of bus drivers in Chicago is 48 7years it a hypothesin test is performed which of the following is true about the null hypothesis and its complement alternative hypothesis)? OaHO 48.748.7 O b.HO #48.7: Har48.7 OCHO: 48.7. Ha487 O d.HO US 48.7Hau 48.7 15 points w The mean age of bus drivers in Chicago is 48.7years. If a hypothesis test is performed which of the following is true about the null hypothesis and its complement (alternative hypothesis)? a. Hou - 48.7: Hau + 48.7 O b.HO: 48.7Ha: = 48.7 O c. HO:2 48.7: Hau 48.7